Fifteen aircraft conducted 45 strikes in northwestern Iraq earlier this month.
Sens.-elect Tom Cotton (Ark.) and Joni Ernst (Iowa) are joining the panel.
"We will have hearings in January, February, March," said Rep. Trey Gowdy.
The Joint Chiefs urged commanders to "take appropriate force protection measures."
"This war is illegal until Congress acts," said Paul.
Coalition forces launched 55 airstrikes against multiple targets in Iraq and Syria.
Reports say the Pentagon could face a $60 billion shortfall.
The secretary of State said U.S. strategy against ISIS is "starting to gain traction."
Obama is requesting a more narrow measure authorizing force against ISIS.
VA Secretary McDonald touted the "largest reorganization" in agency history.
"There's always going to be some margin of error," said officals about airdrops.
The U.S. launched a new wave of strikes and dropped arms for the Kurdish town.
The bill will level new sanctions on Russia and pave the way for lethal arms to Ukraine.
John Brennan delivered an aggressive rebuttal of the Senate Intelligence panel's report.
The 528-page report asserts that the CIA tortured and misled the public.
The bill passed on a bipartisan vote of 300-119, and now heads to the Senate.
Negotiators unveiled the proposed cuts as part of a 2015 defense authorization bill.
The Pentagon reversed its decision to wait until Congress approved funding.
Republican leaders picked new chairmen for Armed Services and Intelligence.
The Defense secretary said the group's gains had been "reversed" in some areas.
Vice President Joe Biden said the VA is seeing "significant changes."
Officials said ISIS raked in $1M per day through oil sales this summer.
The bombing campaign has averaged $7.6 million per day since August.
The Pentagon is likely to tap active duty and reserve personnel to build hospitals.